def handle_scrypt_output_message(self, miner_id: int, data: bytes) -> None:
summary_hash: bytes = data
self.increment_hash_counter()
summary, current_height, transactions = self.mining_args[miner_id]
evidence = construct_pow_evidence_after_scrypt(summary_hash,
self.coinstate, summary,
current_height,
transactions)
block = Block(BlockHeader(summary, evidence), transactions)
if block.hash() >= block.target:
# we didn't mine the block
return
self.network_thread.local_peer.chain_manager.set_coinstate(
self.coinstate)
self.network_thread.local_peer.network_manager.broadcast_block(block)
self.coinstate = self.coinstate.add_block(block, int(time()))
# Originally there was a disk write in this spot. During testing of the chain.cache changes,
# it was found there is a race condition between the mining thread and the networking thread.
# Better to skip the write here and just let the networking thread do it.
print(f"miner {miner_id} found block: {block_filename(block)}")
# get new public key for miner
self.public_key = self.wallet.get_annotated_public_key(
"reserved for potentially mined block")
save_wallet(self.wallet)
self.balance = self.wallet.get_balance(
self.coinstate) / Decimal(SASHIMI_PER_COIN)
def broadcast_block(self, block: Block) -> None:
self.local_peer.logger.info("%15s ChainManager.broadcast_block(%s)" %
("", human(block.hash())))
self.broadcast_message(DataMessage(DATA_BLOCK, block))
def block_filename(block: Block) -> str:
return "%08d-%s" % (block.height, human(block.hash()))